Portion of a cabinet shelf



FIG. 1 is a top rear perspective view of a portion of a cabinet shelf;

FIG. 2 is a right side elevation view thereof, with a left side elevation view being a mirror image thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a bottom plan view thereof.

The dashed broken lines in FIGS. 1–6 represent environmental subject matter and form no part of the claimed design. 

The ornamental design for a portion of a cabinet shelf, as shown and described. 